How much storage and memory does this desktop come with?

It comes with 32 GB of DDR5 RAM and a 1 TB SSD.

What graphics card and video memory does this Legion Tower 5i gaming desktop include?

It includes an NVIDIA GeForce RTX 5060 Ti dedicated graphics card with 8 GB of GDDR7 video memory.

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Lenovo - Legion Tower 5i Gaming Desktop - Intel Core Ultra 7 Processor 265F - 32GB RAM - NVIDIA RTX 5060Ti 8GB - 1TB SSD - Eclipse Black

Engineered for immersive gameplay: Delivers seamless graphics and rapid response times for an enhanced gaming experience.
Advanced cooling technology: Maintains optimal system temperature during intense gaming sessions to prevent overheating.
Expandable storage options: Easily upgrade storage capacity to accommodate large game libraries and essential files.
Robust build quality: Constructed with premium components for reliable performance and long-lasting durability.
Comprehensive connectivity: Equipped with multiple ports for effortless integration of gaming peripherals and accessories.